Green Day and Billie Eilish kicked off the FireAid benefit concert, a two-venue concert extravaganza that is raising money for Los Angeles-area wildfire relief efforts.

Pop stars, first responders, rock stars and those who’ve lost everything in the devastating LA-area wildfires came together for FireAid, a massive benefit concert Thursday that combined spectacular performances with moving storytelling from survivors and reminders of the destruction.

An absolute highlight of tonight’s FireAid — before it was even over — was the comet-like reappearance of the remaining members of Nirvana onstage together playing the band’s songs again. The lineup included drummer Dave Grohl,

Pop stars, first responders, rock stars and those who’ve lost everything in the devastating LA-area wildfires came together for FireAid on Thursday night, a benefit concert that combined spectacular performances with moving storytelling from survivors and reminders of the destruction.

Nirvana's surviving members made a brief unannounced and unexpected reunion during FireAid, a charity concert raising money for those affected by the LA wildfires. Dave Grohl, Krist Novoselic, and Pat Smear reunited to perform four tracks during a short set in Inglewood on Thursday (January 30) night.

Nirvana's Dave Grohl, Krist Novoselic and Pat Smear were back on stage last night (Jan. 30)... Nirvana's Dave Grohl, Krist Novoselic and Pat Smear were back on stage last night (Jan.